package com.tedu.day02.oop;

import java.util.jar.Attributes;

/**
 * instanceof关键字----多态----判断类是否造型
 */
class Name{}
class ReName extends Name{}
public class instanceof关键字 {
    public static void main(String[] args) {
        Name name=new Name();
        System.out.println(name instanceof Name);
        System.out.println(name instanceof ReName);

        //
        Name a=new ReName();
        System.out.println(a instanceof Name);
        System.out.println(a instanceof ReName);
    }
}
